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IP Interfaces

X Family LSM User’s Guide V 2.5.1 151

Using RIP, the device determines the route for network packets based on the fewest number of hops

between the source and the destination. RIP regularly broadcasts routing information to other devices

on the network

RIPv1 Configuration Settings

RIPv1 is a a simple distance vector protocol where the longest path cannot exceed 15 hops and static

metrics are used to compare routes. RIPv1 should only be used to communicate routing information

with legacy devices that cannot support RIPv2. Because the protocol does not send subnet mask

information, it is considered technically obsolete and can cause routing problems in classless

networks. RIPv1 should only be used when all of the consequences of its use are well understood by the

network administrator.

RIPv2 Configuration Settings

RIP version 2 is the current version of the RIP protocol. It adds support subnetted CIDR networks and

authentication of routing updates. The preferred method for sending RIPv2 advertisements is

multicast. This also reduces the interrupt load on other network devices that are not interested in

routing updates. Broadcast should only used for compatibility with legacy RIPv1 devices. RIPv2

MD5 authentication is highly recommended to prevent the device from accepting bogus routing

information.

Enable and Configure RIP on an IP Interface

STEP 1

From the LSM menu, select Network > Configuration > IP Interfaces.

STEP 2

On the IP Interfaces page, click the Create IP Interface button or select the Edit icon for the

interface that you want to edit.

STEP 3

On the Create/Edit IP Interfaces page, scroll down to IP Interface Details (Advanced) table.

If the table is not displayed, click Show Advanced Options.

STEP 4

In the RIP table, click the Enable RIP check box.

STEP 5

To prevent this interface being advertised by RIP throughout the network, check Disable RIP

Advertisement of this interface on other interfaces.

We recommend enabling this option on the External IP interface.

STEP 6

Select one of the following from the Send mode drop-down list:

• Do not send updates — passive mode

• RIP v1 — send route advertisements as RIPv1

• RIP v2 Multicast — send route advertisements using IP multicast address 224.0.0.9

• RIP v2 Broadcast — send route advertisements using IP broadcast address

Note Before using RIP on an IP Interface, you must enable it globally from the

RIP Setup page (Network > Routing > RIP).

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HP X Unified Security Platform Series Instrukcja Użytkownika Strona 167